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KA3842AM Data Sheet

PWM CONTROLLER

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KA3842AM

Linear Integrated Circuit CURRENT−MODE PWM CONTROLLER The KA3842A KA3842AM are fixe frequency current-mode PWM controller. They are specially designed for OFF−Line and DC−to−DC converter applications with minimal external components. These integrated circuits feature a trimmed oscillator for precise.

KA3842AM

Download KA3842AM Datasheet

Linear Integrated Circuit CURRENT−MODE PWM CONTROLLER The KA3842A KA3842AM are fixe frequency current-mode PWM controller. They are specially designed for OFF−Line and DC−to−DC converter applications with minimal external components. These integrated circuits feature a trimmed oscillator for precise duty cycle control, a temperature compensated reference, high gain error amplifier, current sensing comparator, and a high current totempole output ideally suited for driving a power MOSFET. Protection circuity includes built under−voltage lockout and current limiting. The KA3842A,KA3842AM have UVLO thresholds of 16 V(on) and 10 V (off). The KA3842A ,KA384AM can operate within 100% duty cycle The KA3842A has been proven in applications using the same external components as Motorola's parts,among others .The KA3842AM has been optimized for comp.




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